Three tracks of acoustic improv from an understated string quartet that uses extended techniques and the whole of their instruments to make unusual and rewarding music.

A single 34 minute live recording at Musica Portuguesa Hoje Festival in Lisbon, 2008 from this excellent set of expressive and contemplative electroacoustic performers.

Glasgow's Improvisers Orchestra from the CCA Glasgow performing three free improvisations and a discretely structured piece by Raymond MacDonald.

Delicate nuance and fascinating textures from the minimal improvisations of trumpeter Birgit Uhler, violist Ernesto Rodriguez and live sampling from Carlos Santos.